Year % of female population 1960 17.5575181466314 1961 17.8291591307241 1962 18.0260318185326 1963 18.1108954251829 1964 18.0406832020603 1965 17.8305976933381 1966 17.4889383322088 1967 17.0434925815984 1968 16.560484823328 1969 16.1090868317489 1970 15.7350582342178 1971 15.4685275611323 1972 15.2974071019827 1973 15.2039956302493 1974 15.1524174863885 1975 15.0939003977958 1976 15.0244343592496 1977 14.9437766685585 1978 14.8508399752892 1979 14.7772821483571 1980 14.736468794146 1981 14.7005646447677 1982 14.6728057323553 1983 14.6855505990982 1984 14.7474337311836 1985 14.8453463176887 1986 14.9810789576883 1987 15.1100405634387 1988 15.151593185429 1989 15.0863811237835 1990 14.971685969495 1991 14.8178995313988 1992 14.6085409566606 1993 14.3779640553282 1994 14.1258679175874 1995 13.8056648046716 1996 13.3848264285153 1997 12.8864103361529 1998 12.3295480958723 1999 11.7402393114657 2000 11.1587664179743 2001 10.6290711191641 2002 10.1993523506262 2003 9.87398578773277 2004 9.65112790885364 2005 9.51433012718335 2006 9.44693177731583 2007 9.47338072993298 2008 9.62055358974235 2009 9.83662538681795 2010 10.0379542876061 2011 10.1786950050261 2012 10.2352152571092 2013 10.2365880480341 2014 10.2385538106753 2015 10.2803014294961 2016 10.3586921039479 2017 10.4348639553893 2018 10.5283728944682 2019 10.6429670292633 2020 10.7663321827694 2021 10.8614578930143 2022 10.8734369107124 2023 10.7531349357129